CBS4 has learned the spill near the Suncor oil refinery may have started a year ago, not in late November as first reported.
The Colorado Department of Health has tested the blood of all 500 workers at the Suncor Oil Refinery in Commerce City.
The Colorado Department of Health is warning the Suncor Oil Refinery in Commerce City to stop using its tap water.
There has been more progress in the cleanup from the oily mess in Commerce City.
Federal officials said Friday that initial water quality tests show levels of toxic chemicals are declining after a gasoline-like substance was detected seeping into a creek from a Denver-area refinery, but environmentalists said even one barrel of the toxic brew is too much.
State health officials on Thursday ordered Suncor Energy to immediately begin testing the air inside the Denver Metro Wastewater Treatment Plant to ensure worker safety near where a gasoline-like substance from the company’s refinery was detected seeping into Sand Creek earlier this week.
Suncor Energy says the spill of oily material flowing into Sand Creek has been contained.
Crews from Suncor Energy are continuing to work to clean up an oily mess that came close to the South Platte River.
A teenager who was pulled out of a fast-moving creek in Aurora has died.
A teenager was rushed to Children’s Hospital at about 7:45 p.m. Thursday after he was pulled from Sand Creek.